He is currently the host of 'World Sport' and is one of the network's most versatile anchors, having also presented news programs 'World News' and 'CNN Today' as well as the long-running feature show 'Living Golf'. Since joining CNN in 2002 he has traveled extensively; filing stories from dozens of different countries and interviewing many of the world's top sports names including Tiger Woods, Roger Federer, Sebastian Vettel and Floyd Mayweather, Jr. Prior to joining CNN, Riddell worked in British regional television; starting on 'Calendar News' with Yorkshire Television (YTV) in Leeds, and the London News Network (LNN), where he worked as a presenter and reporter for the 'London Tonight' program. In 1998, Riddell was invited to meet the Queen at Buckingham Palace, having been identified as one of the nation's young achievers by the Independent Television Commission. Riddell has a Bachelors degree with honours in Public Media/Communication and Cultural Studies from Leeds University.